1520787990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1\times {\mathrm{2791}}^1$

素因数の和:3285

約数の個数: 64

約数和(自身を含む): 3748695552

約数和(自身を除く): 2227907562

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 443, 615, 886, 1230, 1329, 2215, 2658, 2791, 4430, 5582, 6645, 8373, 13290, 13955, 16746, 18163, 27910, 36326, 41865, 54489, 83730, 90815, 108978, 114431, 181630, 228862, 272445, 343293, 544890, 572155, 686586, 1144310, 1236413, 1716465, 2472826, 3432930, 3709239, 6182065, 7418478, 12364130, 18546195, 37092390, 50692933, 101385866, 152078799, 253464665, 304157598, 506929330, 760393995, 1520787990]

約数ペア:

[(1, 1520787990), (2, 760393995), (3, 506929330), (5, 304157598), (6, 253464665), (10, 152078799), (15, 101385866), (30, 50692933), (41, 37092390), (82, 18546195), (123, 12364130), (205, 7418478), (246, 6182065), (410, 3709239), (443, 3432930), (615, 2472826), (886, 1716465), (1230, 1236413), (1329, 1144310), (2215, 686586), (2658, 572155), (2791, 544890), (4430, 343293), (5582, 272445), (6645, 228862), (8373, 181630), (13290, 114431), (13955, 108978), (16746, 90815), (18163, 83730), (27910, 54489), (36326, 41865)]